JAVA Exceptions Which keyword is used to explicitly throw an exception? throwing catch try throw throwing catch try throw ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What is the output for the below code ?import java.io.FileNotFoundException;class A{ public void printName() throws FileNotFoundException{ System.out.println("Value-A"); }}class B extends A{ public void printName() throws NullPointerException{ System.out.println("Name-B"); }}public class Test{ public static void main (String[] args) throws Exception{ A a = new B(); a.printName(); }} Name-B Value-A Compilation succeed but no output None of these printName() Compilation fails-Exception NullPointerException is not compatible with throws clause in Name-B Value-A Compilation succeed but no output None of these printName() Compilation fails-Exception NullPointerException is not compatible with throws clause in ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which of the below statement is/are true about Error?A. An Error is a subclass of Throwable.B. An Error is a subclass of Exception.C. Error indicates serious problems that a reasonable application should not try to catch.D. An Error is a subclass of IOException. A and D B and D A and C A and B B and C A and D B and D A and C A and B B and C ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What will be the result if NullPointerException occurs at line 2?1. try{2. //some code goes here3. }4. catch(NullPointerException ne){5. System.out.print("1 ");6. }7. catch(RuntimeException re){8. System.out.print("2 ");9. }10. finally{11. System.out.print("3");12. } 3 1 1 2 3 2 3 1 3 3 1 1 2 3 2 3 1 3 ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which of the following blocks execute compulsorily whether exception is caught or not. throw throws finally catch throw throws finally catch ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Predict the output:public class Test{ public static void main(String args[]){ try{ String arr[] = new String[10]; arr = null; arr[0] = "one"; System.out.print(arr[0]); }catch(Exception ex){ System.out.print("exception"); }catch(NullPointerException nex){ System.out.print("null pointer exception"); } }} "null pointer exception" is printed. "exception" is printed. None of these "one" is printed. Compilation fails saying NullPointerException has already been caught. "null pointer exception" is printed. "exception" is printed. None of these "one" is printed. Compilation fails saying NullPointerException has already been caught. ANSWER DOWNLOAD EXAMIANS APP
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